Routine maintenance is essential for keeping Yamaha SR230 and SR230 (California) jet boats from 2003 through 2005 operating reliably and performing as designed. These twin-engine jet boats use Yamaha marine engines paired with a jet propulsion system engineered to run under sustained high-RPM conditions. Maintaining proper lubrication, airflow, ignition performance, and cooling system efficiency helps support dependable operation and long-term engine durability on the water.

This Yamaha boat service maintenance kit with cooling helps simplify routine service by grouping together the key components commonly required during scheduled upkeep. Yamaha jet boat service kits allow owners to complete essential maintenance procedures without sourcing individual parts separately, helping streamline oil service, filtration replacement, ignition system maintenance, and cooling system performance across both engines.

This kit applies to Yamaha SR230 and SR230 (California) boats from 2003 through 2005 and provides the maintenance components commonly required for routine service of the twin jet propulsion engine platform used in these boats.

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What’s Included in This Kit

• LUB-10W40-WV-04 (Qty 2) - Yamaha Yamalube 10W-40 Mineral 4W – two gallons of marine-grade oil.
• 6B6-14451-01-00 (Qty 2) - Yamaha Air Filters that ensure clean airflow for efficient engine operation.
• 6B5-R1321-00-00 (Qty 1) - Additional air filter for optimal performance.
• 68N-R1321-10-00 (Qty 1) - Additional component for maintaining optimal performance.
• LUB-10W40-WV-12 (Qty 1) - Yamaha Yamalube 10W-40 Mineral 4W – one quart of marine-grade oil.
• 5GH-13440-71-00 (Qty 2) - Yamaha Oil Filters designed for optimal engine performance.
  
• NGK CR9EB (Qty 8) - Spark Plugs, providing reliable ignition performance.
• ACC-FLDFU-NN-EL (Qty 1) - Yamaha Disposable Funnel for neat oil changes.

These components support routine engine maintenance procedures including oil changes, filtration replacement, ignition system upkeep, and cooling system service. Performing regular maintenance helps maintain proper lubrication, efficient cooling, and dependable performance for your Yamaha jet-powered boat.